Season 21

E1 · Kevin Hart, Betty White, Dwight Yoakam

E2 · Arnold Schwarzenegger, Chumlee & Rick Harrison, Ziggy Marley

E3 · Courteney Cox, Joy Behar, Youngblood Hawke

E4 · Bill Maher, Nicole

E5 · Emma Stone, Josh Gad, the Whigs

E6 · Big Bad Voodoo Daddy

E7 · Ryan Seacrest, Keith Urban, Randy Jackson, Anthony Jeselnik, For King and Country

E8 · Ben Affleck, Kristen Bell, Rodriguez

E9 · Nicki Minaj, Billy Connolly, The Saturdays

E10 · Jessica Simpson, D.L. Hughley, Vintage Trouble

E11 · Mark Wahlberg, Ali Wentworth, JJamz

E12 · Naomi Watts, Richard Engel, Train

E13 · Chris Tucker, Bob Costas, Big Boi

E14 · Sally Field, Michael Kosta, Lord Huron

E15 · Dana Carvey, Emmy Rossum, Ben Harper with Charlie Musselwhite

E16 · Heidi Klum, Seann Willam Scott, Gary Allan

E17 · Dustin Hoffman, Kenny Loggins and Blue Sky Riders

E18 · Robert DeNiro

E19 · Catherine Zeta-Jones, Donny Deutsch, Lady Antebellum

E20 · Whitney Cummings, Jackie Weaver, Aaron Neville

E21 · Charlie Sheen, Holly Williams

E22 · Piers Morgan, Quvenzhane Wallis, Benh Zeitlin, Lisa Loeb

E23 · Wanda Sykes, Branford Marsalis

E24 · Hugh Jackman, Jessica Chastain, Michael Bolton

E25 · Josh Duhamel, Kathryn Bigelow, Lianne La Havas

E26 · Tim McGraw, Bar Refaeli

E27 · Amy Adams, Adam Carolla, Hunter Hayes

E28 · Seth MacFarlane, Jenna Elfman, Norah Jones

E29 · James Spader, Lior Suchard, Far East Movement

E30 · Charles Barkley, Bob Fisher, Jewel

E31 · Anne Hathaway, Lester Holt, Eli Young Band

E32 · Jarod Miller, Timothy Olyphant, Colbie Caillat & Gavin DeGraw

E33 · Kathy Griffin, David Feherty, FM Radio

E34 · Kevin Bacon, Dennis Rodman, Kevin Eubanks

E35 · Robin Wright, Josh Gad, Bonnie Raitt

E36 · Chelsea Handler, Edythe Kirchmaier, Sky Blu

E37 · Arsenio Hall, Tristan Prettyman

E38 · Meredith Vieira, Richard Roeper, thenewno2

E39 · Russell Crowe, Eli Roth, Robert Randolph with the Slide Brothers

E40 · Colin Farrell, Joey King, Boz Scaggs

E41 · David Duchovny, J.B. Smoove, Father John Misty

E42 · Steve Carell, Joey King, Shooter Jennings

E43 · Bill O'Reilly, Abigail Breslin, the Mavericks

E44 · Halle Berry, Rachel Maddow, Ashley Monroe

E45 · Olivia Wilde, Nick Offerman, Buddy Guy and The Experience Hendrix All-Star Band

E46 · Jerry Seinfeld, Mark Cuban, Jose James

E47 · James Franco, Jay Mohr, Owl City with Yuna

E48 · Craig Ferguson, Vera Farmiga, Harper Simon

E49 · Morgan Freeman, Olympic wrestlers Rulon Gardner & Henry Cejuda, The James Hunter Six

E50 · Jenna Fischer, Dennis Rodman, Black Prairie

E51 · Vanessa Hudgens, Chris O'Dowd, Gary Clark Jr.

E52 · Dwayne Johnson, Chris Paul, Atlas Genius

E53 · Don Cheadle, Louie Anderson, Wiz Khalifa feat. Akon

E54 · Gerard Butler, Keegan-Michael Key & Jordan Peele, Crystal Bowersox

E55 · Keith Urban, Paula Deen, Django Django

E56 · Kristin Chenoweth, magician Justin Willman, Josh Groban

E57 · Kim Kardashian, Willie Geist, Imagine Dragons

E58 · Matthew Perry, Kristen Schaal, The Goo Goo Dolls

E59 · Blake Shelton, Jim Rome

E60 · Rosario Dawson, Max Greenfield, Gloriana

E61 · Eva Longoria, Terry Crews, Cavalia's Odysseo

E62 · Demetri Martin, animal trainer Julie Scardina, Gin Wigmore

E63 · Julia Louis-Dreyfus, Anthony Jeselnik, Vintage Trouble

E64 · Rebel Wilson, Jackson Galaxy, Hanson

E65 · Charlie Sheen, coach Andy Enfield, Brad Paisley

E66 · LL Cool J, Andy Cohen, Tegan and Sara

E67 · Adam Levine, Cyndi Lauper, The Airborne Toxic Event

E68 · Diane Keaton, Trevor Moore, Jake Bugg

E69 · Carol Burnett, Stephen Amell, Plain White T's

E70 · Emily Blunt, Tom Cruise, Black Rebel Motorcycle Club

E71 · Gwyneth Paltrow, JB Smoove, Billy Ray Cyrus

E72 · Robert Downey Jr., Avril Lavigne

E73 · Ben Kingsley, Larry the Cable Guy, The Band Perry

E74 · Cher & Georgia Holt, Dov Davidoff, Florida Georgia Line

E75 · Kathy Griffin, Eli Roth, Cheap Trick

E76 · Matt Lauer, Awolnation

E77 · Chris Evans, Kevin Smith

E78 · Magic Johnson, Savannah Guthrie, Fall Out Boy

E79 · Connie Sawyer, Patty Griffin

E80 · Ken Jeong, Emeli Sandé

E81 · Shakira, Marc Maron, Tom Jones

E82 · Aaron Eckhart, Sherri Shepherd, 98 Degrees

E83 · Miranda Lambert, Ross Mathews, Pistol Annies

E84 · Wanda Sykes, Martha Stewart, Drop City Yacht Club

E85 · Usher, Nick Offerman, Pyyramids

E86 · Adam Sandler, Phil Jackson, Family of the Year

E87 · Mitt Romney, “American Idol” winner Candice Glover

E88 · Bradley Cooper, Heidi Klum, The-Dream with Kelly Rowland

E89 · Eric Stonestreet, Jeremy Wade, Thompson Square

E90 · Vin Diesel, Jeff Foxworthy, The Lone Bellow

E91 · Tyler Perry, Isla Fisher, Shout Out Louds

E92 · Howie Mandel, Sal Basille & Francis Garcia, Sigur Rós

E93 · Vince Vaughn, Kenny Smith, Scotty McCreery

E94 · Owen Wilson, Wayde King & Brett Raymer, LeAnn Rimes

E95 · Danny McBride, Khloe Kardashian Odom, The Wanted

E96 · Henry Cavill, Jessica Buchanan & Erik Landemalm, She & Him

E97 · Russell Crowe, Andrea Bocelli

E98 · Kevin Bacon, Mel B, Bad Company

E99 · Jamie Foxx, Jimmy Connors, Matthew Morrison

E100 · Kevin Hart, Jeremy Scahill, Trace Adkins & Colbie Caillat

E101 · Carson Daly, Betty White, Timeflies

E102 · Armie Hammer, Dave Salmoni, The Boxer Rebellion

E103 · Billy Crystal, Pitbull feat. Danny Mercer

E104 · Kathy Griffin, Billy Gardell, Grouplove

E105 · David Gregory, J Chris Newberg, “The Voice” winner Danielle Bradbery

E106 · Kristin Davis, Harvey Fierstein, The Mowgli's

E107 · Terry Bradshaw, Steve Byrne, Joseph Arthur

E108 · Steve Carell, Ken Ilgunas, Barenaked Ladies

E109 · Sandra Bullock, Bob Saget, Il Volo

E110 · Whitney Cummings, Alex Minsky, John Fogerty

E111 · David Spade, Joey King, Grace Potter & The Nocturnals

E112 · Wanda Sykes, India.Arie

E113 · Charlie Day, Jeffrey Dean Morgan, Lionel Richie

E114 · Dane Cook, Nev Schulman, Matt Nathanson

E115 · John Malkovich, Olivia Munn, Blackberry Smoke

E116 · Helen Mirren, Ben Schwartz, The Olms

E117 · Bill Hader, Passenger

E118 · Savannah Guthrie, Anthony Jeselnik, Johnnyswim

E119 · Zachary Levi, Danica Patrick, Talib Kweli feat. Nelly & Abby Dobso

E120 · Jane Lynch, Serena Ryder

E121 · Anthony Hopkins, Amy Schumer, Robert Randolph & The Family Band

E122 · Howie Mandel, Marisa Miller, Sara Bareilles

E123 · Gillian Anderson, Jim Rash & Nat Faxon, Kenny Chesney

E124 · Aaron Paul, Selena Gomez

E125 · Ashton Kutcher, Jayma Mays, Hiatus Kaiyote

E126 · Cate Blanchett, Michael B. Jordan, Court Yard Hounds

E127 · Katy Perry, Cris Collinsworth, Kacey Musgraves

E128 · Kristen Bell, Phillip Phillips

E129 · Kristin Chenoweth, Josh Gad

E130 · Kate Hudson, Bob Costas, Kopecky Family Band

E131 · Casey Affleck, Allison Janney

E132 · Meredith Vieira, Jim Norton, Charlie Worsham

E133 · Bryan Cranston, Amos Lee

E134 · Matt LeBlanc, Mark Cuban, KT Tunstall

E135 · Matt Damon, Anna Faris, Parachute

E136 · Robin Williams, Gavin DeGraw

E137 · Jason Sudeikis, “Fry It & Try It” with Jim Stacy, White Lies

E138 · Jeff Daniels, Sherri Shepherd, Quinn Sullivan

E139 · Josh Duhamel, Macklemore & Ryan Lewis

E140 · Matt LeBlanc, Kathryn Hahn, Sky Blu

E141 · Julie Scardina, Rod Stewart

E142 · Senator John McCain

E143 · Bill Maher, Shaun White, Bad Things

E144 · Christina Applegate, Rob Corddry, White Lies

E145 · Vince Vaughn, Vintage Trouble

E146 · Simon Cowell

E147 · Martin Short, Meghan McCain, Backstreet Boys

E148 · Rose Byrne, Jennifer Nettles

E149 · Charlie Sheen, Jim Rome, Trombone Shorty

E150 · Hugh Jackman, OneRepublic

E151 · Zooey Deschanel, Terry Crews, Buena Vista Social Club

E152 · Chris Hemsworth, Kristen Schaal, Sheryl Crow

E153 · Neil Patrick Harris, Five for Fighting

E154 · Christina Aguilera, Joy Behar, Valerie June

E155 · Tim Allen, Dwayne Wade, Fitz and The Tantrums

E156 · Jimmy Fallon

E157 · Justin Timberlake, Paula Patton

E158 · Olivia Wilde, Adam Scott, Cher Lloyd

E159 · Dana Carvey, Cee-Lo Green, Goodie Mob

E160 · Julia Louis-Dreyfus, Ron Paul, Little Big Town

E161 · Sandra Bullock, 13 year-old chef Jack Witherspoon

E162 · Magic Johnson, Marjorie Johnson, Gary Clark Jr.

E163 · Joseph Gordon-Levitt, Jay Mohr, Ariana Grande & Mika

E164 · Kathy Griffin, Newt Gingrich, Demi Lovato

E165 · Julianne Moore, Billy Gardell

E166 · Terry Bradshaw, “Fantasy Football Tattoo League”

E193 · President George W. Bush & Laura Bush, Ben Harper with Charlie Musselwhite